SoundTube CM690I
6.5" High-Power Coaxial In-Ceiling Speaker


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SoundTube’s CMi series incorporates BroadBeam® full-frequency dispersion technology and fixed-wing installation features for any type of hanging-tile or sheetrock application. Ideal for office, church, restaurant/nightclub, entertainment, museum, conference room, school, retail, amusement and hospitality applications.


  • Patened BroadBeamHP dispersion technology delivers full-frequency, high-performance audio.
  • Reengineered rapid-installation features include easy-install SpeedWing mounting system with constant-tension design that mounts to ceiling thicknesses from .25" to 1.69".
  • Separate low-profile grill and magnetic bezel ease installation and in-field service and painting.
  • New speed-tap power settings save customers time and money on ordering, inventory tracking, installation and system tuning.
  • 25, 70.7 and 100 Volt transformer options with voice coil/8 Ohm direct.
  • High-frequency driver protection with automatic reset.
  • Sonically matched with SoundTube's new RSi (open ceiling) and SMi (surface mount) speakers from applications requiring combinations of hanging and mounted speakers.
  • Tile bridge included with each CMi speaker.
  • May be used in conjuntction with CM1001d Subwoofer for applications where additional bass is required.
  • UL 1480 & 2043 pending


  • Frequency Response (-3dB): 73Hz - 22kHz
  • Low Frequency (-10dB): 62Hz - 22kHz
  • Sensitvity: 91.5dB
  • Power Capacity RMS: 100W
  • Max SPL dB @ 1 M: 111.5dB
  • Nominal Impedance: 8 Ohm
  • Transformer Options: 0.75 - 66 W
  • Woofer: 6.5" Treated Fiber
  • Tweeter: High-power compression transducer
  • Connections: Four-pin Euroblock
  • Visible Height: 1.08"
  • Visible Diameter: 14.76"
  • Weight: 12.8lbs
  • Colors: Black, White

[See data sheet for more information]

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